student={name:lipei;sex:nan;xuehao:200649002;}
document.write(student.name);
运行后,name的值为undifined
为什么啊?
还有我试了一下另一种方法
function Student(name,sex,xuehao)
{
this.name = "lipei";
this.sex = "nan";
this.xuehao = "2001020102";
}
Student.name = "zong";
Student.sex = "nv";
Student.xuehao = "3333333";
Student.meili = "meilia";
document.write(Student.name);
document.write("<br>");
document.write(Student.sex);
document.write("<br>");
document.write(Student.xuehao);
document.write(Student.meili);
可是我在Student函数中并没有属性meili啊,怎么还能正常输出Student.meili的值呢,